Bird feeder



FIG. 1 is a top perspective view of a bird feeder showing my new design;

FIG. 2 is a front elevational view thereof, the rear being the same as the front shown; and

FIG. 3 is a side elevational view thereof, the opposite side being the same as the side shown.

It is to be understood that the bird seed is continuous throughout the area indicated in FIGS. 1 through 3. 

The ornamental design for a bird feeder, as shown and described. 